/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:51:40,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:51:40,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:51:40,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:51:40,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:51:40,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:51:40,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:51:40,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:51:40,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:51:40,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:51:40,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:51:40,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:51:40,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:51:40,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:51:40,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:51:40,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:51:40,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:51:40,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:51:40,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:51:40,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:51:40,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:51:40,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:51:40,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:51:40,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:51:40,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:51:40,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:51:40,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:51:40,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:51:40,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:51:40,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:51:40,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:51:40,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:51:40,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:51:40,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:51:40,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:51:40,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:51:40,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:51:40,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:51:40,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:51:40,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:51:40,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:51:40,803 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 12:51:40,825 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:51:40,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:51:40,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:51:40,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:51:40,827 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:51:40,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:51:40,827 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:51:40,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:51:40,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:51:40,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:51:40,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:51:40,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:51:40,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:51:40,830 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:51:40,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:51:40,830 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:51:40,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:51:40,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:51:40,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:51:40,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:51:40,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:51:40,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:51:40,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:51:40,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:51:40,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:51:40,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:51:40,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:40,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:51:40,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:51:40,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 12:51:41,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:51:41,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:51:41,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:51:41,142 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:51:41,144 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:51:41,145 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2020-07-21 12:51:41,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2aa2ac33/d9847d194bec4876a73a75b9641888ae/FLAG8e100e2b3 [2020-07-21 12:51:41,763 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:51:41,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2020-07-21 12:51:41,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2aa2ac33/d9847d194bec4876a73a75b9641888ae/FLAG8e100e2b3 [2020-07-21 12:51:42,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2aa2ac33/d9847d194bec4876a73a75b9641888ae [2020-07-21 12:51:42,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:51:42,091 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:51:42,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:51:42,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:51:42,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:51:42,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:51:42" (1/1) ... [2020-07-21 12:51:42,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e98d2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42, skipping insertion in model container [2020-07-21 12:51:42,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:51:42" (1/1) ... [2020-07-21 12:51:42,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:51:42,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:51:42,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:51:42,585 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:51:42,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:51:42,728 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:51:42,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42 WrapperNode [2020-07-21 12:51:42,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:51:42,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:51:42,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:51:42,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:51:42,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42" (1/1) ... [2020-07-21 12:51:42,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42" (1/1) ... [2020-07-21 12:51:42,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42" (1/1) ... [2020-07-21 12:51:42,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42" (1/1) ... [2020-07-21 12:51:42,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42" (1/1) ... [2020-07-21 12:51:42,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42" (1/1) ... [2020-07-21 12:51:42,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42" (1/1) ... [2020-07-21 12:51:42,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:51:42,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:51:42,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:51:42,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:51:42,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:51:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:51:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:51:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:51:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:51:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:51:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:51:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:51:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:51:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:51:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:51:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:51:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:51:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:51:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:51:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 12:51:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:51:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:51:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:51:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:51:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:51:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:51:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:51:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 12:51:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 12:51:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 12:51:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:51:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:51:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:51:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:51:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:51:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:51:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:51:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:51:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:51:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:51:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:51:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:51:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 12:51:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:51:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:51:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:51:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:51:42,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:51:42,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:51:42,933 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:51:42,933 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:51:42,933 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:51:42,933 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:51:42,933 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:51:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:51:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:51:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:51:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:51:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:51:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:51:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:51:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:51:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:51:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:51:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:51:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:51:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:51:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:51:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:51:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:51:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:51:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:51:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:51:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:51:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:51:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:51:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:51:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 12:51:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:51:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:51:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:51:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:51:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 12:51:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:51:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:51:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:51:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:51:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 12:51:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 12:51:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:51:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 12:51:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:51:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:51:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:51:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:51:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:51:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:51:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:51:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:51:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:51:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:51:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:51:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:51:44,050 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:51:44,050 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:51:44,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:51:44 BoogieIcfgContainer [2020-07-21 12:51:44,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:51:44,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:51:44,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:51:44,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:51:44,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:51:42" (1/3) ... [2020-07-21 12:51:44,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f74a9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:51:44, skipping insertion in model container [2020-07-21 12:51:44,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42" (2/3) ... [2020-07-21 12:51:44,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f74a9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:51:44, skipping insertion in model container [2020-07-21 12:51:44,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:51:44" (3/3) ... [2020-07-21 12:51:44,064 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2020-07-21 12:51:44,074 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:51:44,081 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:51:44,095 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:51:44,120 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:51:44,120 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:51:44,120 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:51:44,120 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:51:44,121 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:51:44,121 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:51:44,121 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:51:44,122 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:51:44,144 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2020-07-21 12:51:44,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 12:51:44,153 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:44,154 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:44,155 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:44,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:44,161 INFO L82 PathProgramCache]: Analyzing trace with hash 805370938, now seen corresponding path program 1 times [2020-07-21 12:51:44,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:44,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857599847] [2020-07-21 12:51:44,170 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:44,605 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:44,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:44,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:51:44,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:44,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:44,648 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:44,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857599847] [2020-07-21 12:51:44,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:44,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:51:44,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843016802] [2020-07-21 12:51:44,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:51:44,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:44,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:51:44,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:51:44,673 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2020-07-21 12:51:44,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:44,720 INFO L93 Difference]: Finished difference Result 292 states and 365 transitions. [2020-07-21 12:51:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:51:44,722 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 12:51:44,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:44,739 INFO L225 Difference]: With dead ends: 292 [2020-07-21 12:51:44,739 INFO L226 Difference]: Without dead ends: 148 [2020-07-21 12:51:44,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:51:44,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-21 12:51:44,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-21 12:51:44,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-21 12:51:44,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 176 transitions. [2020-07-21 12:51:44,806 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 176 transitions. Word has length 51 [2020-07-21 12:51:44,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:44,807 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 176 transitions. [2020-07-21 12:51:44,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:51:44,807 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2020-07-21 12:51:44,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 12:51:44,811 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:44,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:45,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:45,027 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:45,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:45,027 INFO L82 PathProgramCache]: Analyzing trace with hash -239223915, now seen corresponding path program 1 times [2020-07-21 12:51:45,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:45,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [525382581] [2020-07-21 12:51:45,029 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:45,340 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:45,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:45,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:51:45,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:45,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:45,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:45,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [525382581] [2020-07-21 12:51:45,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:45,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:45,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053396400] [2020-07-21 12:51:45,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:45,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:45,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:45,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:45,410 INFO L87 Difference]: Start difference. First operand 148 states and 176 transitions. Second operand 3 states. [2020-07-21 12:51:45,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:45,447 INFO L93 Difference]: Finished difference Result 268 states and 327 transitions. [2020-07-21 12:51:45,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:45,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 12:51:45,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:45,450 INFO L225 Difference]: With dead ends: 268 [2020-07-21 12:51:45,450 INFO L226 Difference]: Without dead ends: 148 [2020-07-21 12:51:45,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:45,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-21 12:51:45,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-21 12:51:45,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-21 12:51:45,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 175 transitions. [2020-07-21 12:51:45,471 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 175 transitions. Word has length 52 [2020-07-21 12:51:45,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:45,472 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 175 transitions. [2020-07-21 12:51:45,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:45,472 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 175 transitions. [2020-07-21 12:51:45,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 12:51:45,475 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:45,475 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:45,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:45,689 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:45,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:45,690 INFO L82 PathProgramCache]: Analyzing trace with hash 828279611, now seen corresponding path program 1 times [2020-07-21 12:51:45,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:45,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1731471655] [2020-07-21 12:51:45,691 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:45,964 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:45,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:45,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:51:45,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:45,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:45,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:45,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1731471655] [2020-07-21 12:51:45,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:45,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:45,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287411910] [2020-07-21 12:51:45,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:45,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:45,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:45,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:45,994 INFO L87 Difference]: Start difference. First operand 148 states and 175 transitions. Second operand 3 states. [2020-07-21 12:51:46,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:46,010 INFO L93 Difference]: Finished difference Result 241 states and 285 transitions. [2020-07-21 12:51:46,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:46,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-07-21 12:51:46,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:46,013 INFO L225 Difference]: With dead ends: 241 [2020-07-21 12:51:46,013 INFO L226 Difference]: Without dead ends: 139 [2020-07-21 12:51:46,015 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:46,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-21 12:51:46,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-07-21 12:51:46,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-21 12:51:46,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 163 transitions. [2020-07-21 12:51:46,029 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 163 transitions. Word has length 70 [2020-07-21 12:51:46,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:46,029 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 163 transitions. [2020-07-21 12:51:46,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:46,030 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 163 transitions. [2020-07-21 12:51:46,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-21 12:51:46,033 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:46,033 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:46,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:46,245 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:46,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:46,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1519881096, now seen corresponding path program 1 times [2020-07-21 12:51:46,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:46,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1843031157] [2020-07-21 12:51:46,247 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:46,543 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:46,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:46,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 12:51:46,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:46,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:46,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:46,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1843031157] [2020-07-21 12:51:46,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:46,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:46,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73689359] [2020-07-21 12:51:46,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:46,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:46,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:46,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:46,592 INFO L87 Difference]: Start difference. First operand 139 states and 163 transitions. Second operand 6 states. [2020-07-21 12:51:47,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:47,304 INFO L93 Difference]: Finished difference Result 335 states and 411 transitions. [2020-07-21 12:51:47,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:51:47,304 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 74 [2020-07-21 12:51:47,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:47,308 INFO L225 Difference]: With dead ends: 335 [2020-07-21 12:51:47,308 INFO L226 Difference]: Without dead ends: 224 [2020-07-21 12:51:47,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:51:47,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-07-21 12:51:47,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 209. [2020-07-21 12:51:47,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-07-21 12:51:47,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 237 transitions. [2020-07-21 12:51:47,354 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 237 transitions. Word has length 74 [2020-07-21 12:51:47,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:47,354 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 237 transitions. [2020-07-21 12:51:47,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:47,355 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 237 transitions. [2020-07-21 12:51:47,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-21 12:51:47,358 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:47,358 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:47,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:47,567 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:47,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:47,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1815815577, now seen corresponding path program 1 times [2020-07-21 12:51:47,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:47,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1902468452] [2020-07-21 12:51:47,569 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:47,897 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:47,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:47,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 12:51:47,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:47,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:47,951 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:47,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1902468452] [2020-07-21 12:51:47,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:47,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:47,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453773946] [2020-07-21 12:51:47,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:47,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:47,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:47,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:47,953 INFO L87 Difference]: Start difference. First operand 209 states and 237 transitions. Second operand 6 states. [2020-07-21 12:51:48,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:48,223 INFO L93 Difference]: Finished difference Result 558 states and 653 transitions. [2020-07-21 12:51:48,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:51:48,225 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2020-07-21 12:51:48,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:48,230 INFO L225 Difference]: With dead ends: 558 [2020-07-21 12:51:48,230 INFO L226 Difference]: Without dead ends: 377 [2020-07-21 12:51:48,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:48,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-07-21 12:51:48,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 373. [2020-07-21 12:51:48,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-07-21 12:51:48,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 424 transitions. [2020-07-21 12:51:48,308 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 424 transitions. Word has length 88 [2020-07-21 12:51:48,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:48,311 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 424 transitions. [2020-07-21 12:51:48,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:48,311 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 424 transitions. [2020-07-21 12:51:48,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-21 12:51:48,314 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:48,314 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:48,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:48,530 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:48,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:48,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1743532533, now seen corresponding path program 1 times [2020-07-21 12:51:48,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:48,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1779912238] [2020-07-21 12:51:48,532 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:48,777 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:48,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:48,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:51:48,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:48,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:48,818 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:48,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1779912238] [2020-07-21 12:51:48,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:48,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:48,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724047980] [2020-07-21 12:51:48,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:48,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:48,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:48,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:48,821 INFO L87 Difference]: Start difference. First operand 373 states and 424 transitions. Second operand 6 states. [2020-07-21 12:51:49,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:49,094 INFO L93 Difference]: Finished difference Result 721 states and 828 transitions. [2020-07-21 12:51:49,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:51:49,094 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-07-21 12:51:49,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:49,100 INFO L225 Difference]: With dead ends: 721 [2020-07-21 12:51:49,100 INFO L226 Difference]: Without dead ends: 376 [2020-07-21 12:51:49,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:49,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-07-21 12:51:49,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 372. [2020-07-21 12:51:49,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-07-21 12:51:49,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 421 transitions. [2020-07-21 12:51:49,146 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 421 transitions. Word has length 92 [2020-07-21 12:51:49,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:49,150 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 421 transitions. [2020-07-21 12:51:49,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:49,150 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 421 transitions. [2020-07-21 12:51:49,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-21 12:51:49,154 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:49,154 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:49,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:49,370 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:49,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:49,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1672267508, now seen corresponding path program 1 times [2020-07-21 12:51:49,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:49,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [505766692] [2020-07-21 12:51:49,372 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:49,626 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:49,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:49,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:51:49,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:49,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:49,659 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:49,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [505766692] [2020-07-21 12:51:49,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:49,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:49,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648681552] [2020-07-21 12:51:49,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:49,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:49,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:49,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:49,661 INFO L87 Difference]: Start difference. First operand 372 states and 421 transitions. Second operand 6 states. [2020-07-21 12:51:49,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:49,701 INFO L93 Difference]: Finished difference Result 726 states and 834 transitions. [2020-07-21 12:51:49,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:51:49,701 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2020-07-21 12:51:49,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:49,704 INFO L225 Difference]: With dead ends: 726 [2020-07-21 12:51:49,705 INFO L226 Difference]: Without dead ends: 382 [2020-07-21 12:51:49,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:51:49,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-07-21 12:51:49,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2020-07-21 12:51:49,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-07-21 12:51:49,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 431 transitions. [2020-07-21 12:51:49,727 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 431 transitions. Word has length 93 [2020-07-21 12:51:49,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:49,728 INFO L479 AbstractCegarLoop]: Abstraction has 382 states and 431 transitions. [2020-07-21 12:51:49,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:49,728 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 431 transitions. [2020-07-21 12:51:49,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-21 12:51:49,730 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:49,730 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:49,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:49,943 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:49,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:49,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1599880950, now seen corresponding path program 1 times [2020-07-21 12:51:49,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:49,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2009272234] [2020-07-21 12:51:49,946 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:50,176 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:50,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:50,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 12:51:50,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:50,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:50,212 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:50,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2009272234] [2020-07-21 12:51:50,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:50,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:51:50,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049141016] [2020-07-21 12:51:50,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:51:50,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:50,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:51:50,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:51:50,214 INFO L87 Difference]: Start difference. First operand 382 states and 431 transitions. Second operand 5 states. [2020-07-21 12:51:50,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:50,266 INFO L93 Difference]: Finished difference Result 750 states and 868 transitions. [2020-07-21 12:51:50,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:51:50,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-07-21 12:51:50,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:50,269 INFO L225 Difference]: With dead ends: 750 [2020-07-21 12:51:50,269 INFO L226 Difference]: Without dead ends: 396 [2020-07-21 12:51:50,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:51:50,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2020-07-21 12:51:50,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 390. [2020-07-21 12:51:50,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-07-21 12:51:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 439 transitions. [2020-07-21 12:51:50,291 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 439 transitions. Word has length 93 [2020-07-21 12:51:50,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:50,292 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 439 transitions. [2020-07-21 12:51:50,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:51:50,292 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 439 transitions. [2020-07-21 12:51:50,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-21 12:51:50,294 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:50,294 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:50,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:50,507 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:50,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:50,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1929646711, now seen corresponding path program 1 times [2020-07-21 12:51:50,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:50,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734781999] [2020-07-21 12:51:50,509 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:50,721 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:50,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:50,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 12:51:50,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:50,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:50,747 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:50,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734781999] [2020-07-21 12:51:50,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:50,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:50,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131135912] [2020-07-21 12:51:50,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:50,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:50,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:50,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:50,749 INFO L87 Difference]: Start difference. First operand 390 states and 439 transitions. Second operand 3 states. [2020-07-21 12:51:50,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:50,796 INFO L93 Difference]: Finished difference Result 1054 states and 1243 transitions. [2020-07-21 12:51:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:50,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-07-21 12:51:50,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:50,802 INFO L225 Difference]: With dead ends: 1054 [2020-07-21 12:51:50,802 INFO L226 Difference]: Without dead ends: 692 [2020-07-21 12:51:50,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:50,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2020-07-21 12:51:50,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 689. [2020-07-21 12:51:50,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-07-21 12:51:50,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 798 transitions. [2020-07-21 12:51:50,842 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 798 transitions. Word has length 93 [2020-07-21 12:51:50,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:50,842 INFO L479 AbstractCegarLoop]: Abstraction has 689 states and 798 transitions. [2020-07-21 12:51:50,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:50,842 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 798 transitions. [2020-07-21 12:51:50,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-21 12:51:50,845 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:50,845 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:51,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:51,060 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:51,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:51,060 INFO L82 PathProgramCache]: Analyzing trace with hash 446997693, now seen corresponding path program 1 times [2020-07-21 12:51:51,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:51,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343624204] [2020-07-21 12:51:51,062 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:51,310 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:51,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:51,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 12:51:51,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:51,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:51,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:51,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343624204] [2020-07-21 12:51:51,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:51,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:51,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984575200] [2020-07-21 12:51:51,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:51,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:51,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:51,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:51,333 INFO L87 Difference]: Start difference. First operand 689 states and 798 transitions. Second operand 3 states. [2020-07-21 12:51:51,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:51,393 INFO L93 Difference]: Finished difference Result 1054 states and 1239 transitions. [2020-07-21 12:51:51,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:51,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-07-21 12:51:51,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:51,400 INFO L225 Difference]: With dead ends: 1054 [2020-07-21 12:51:51,400 INFO L226 Difference]: Without dead ends: 1051 [2020-07-21 12:51:51,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:51,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2020-07-21 12:51:51,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 875. [2020-07-21 12:51:51,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2020-07-21 12:51:51,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1028 transitions. [2020-07-21 12:51:51,498 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1028 transitions. Word has length 97 [2020-07-21 12:51:51,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:51,499 INFO L479 AbstractCegarLoop]: Abstraction has 875 states and 1028 transitions. [2020-07-21 12:51:51,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:51,499 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1028 transitions. [2020-07-21 12:51:51,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-07-21 12:51:51,504 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:51,504 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:51,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:51,718 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:51,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:51,718 INFO L82 PathProgramCache]: Analyzing trace with hash -942209648, now seen corresponding path program 1 times [2020-07-21 12:51:51,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:51,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636435621] [2020-07-21 12:51:51,719 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:52,107 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:52,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:52,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 12:51:52,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:52,164 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 12:51:52,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:52,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636435621] [2020-07-21 12:51:52,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:52,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:51:52,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510945555] [2020-07-21 12:51:52,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:51:52,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:52,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:51:52,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:51:52,167 INFO L87 Difference]: Start difference. First operand 875 states and 1028 transitions. Second operand 5 states. [2020-07-21 12:51:53,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:53,008 INFO L93 Difference]: Finished difference Result 2240 states and 2763 transitions. [2020-07-21 12:51:53,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:51:53,008 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 173 [2020-07-21 12:51:53,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:53,017 INFO L225 Difference]: With dead ends: 2240 [2020-07-21 12:51:53,018 INFO L226 Difference]: Without dead ends: 1393 [2020-07-21 12:51:53,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:53,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2020-07-21 12:51:53,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1292. [2020-07-21 12:51:53,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1292 states. [2020-07-21 12:51:53,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 1533 transitions. [2020-07-21 12:51:53,105 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 1533 transitions. Word has length 173 [2020-07-21 12:51:53,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:53,105 INFO L479 AbstractCegarLoop]: Abstraction has 1292 states and 1533 transitions. [2020-07-21 12:51:53,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:51:53,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1533 transitions. [2020-07-21 12:51:53,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-07-21 12:51:53,109 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:53,109 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:53,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:53,323 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:53,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:53,323 INFO L82 PathProgramCache]: Analyzing trace with hash -524813042, now seen corresponding path program 1 times [2020-07-21 12:51:53,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:53,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115596243] [2020-07-21 12:51:53,323 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:53,560 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:53,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:53,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 12:51:53,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:53,659 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-21 12:51:53,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:53,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115596243] [2020-07-21 12:51:53,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:53,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 12:51:53,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682366666] [2020-07-21 12:51:53,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 12:51:53,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:53,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 12:51:53,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:53,661 INFO L87 Difference]: Start difference. First operand 1292 states and 1533 transitions. Second operand 8 states. [2020-07-21 12:51:54,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:54,030 INFO L93 Difference]: Finished difference Result 2153 states and 2570 transitions. [2020-07-21 12:51:54,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 12:51:54,030 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 173 [2020-07-21 12:51:54,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:54,033 INFO L225 Difference]: With dead ends: 2153 [2020-07-21 12:51:54,033 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:51:54,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 165 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:54,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:51:54,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:51:54,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:51:54,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:51:54,040 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2020-07-21 12:51:54,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:54,041 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:51:54,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 12:51:54,041 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:51:54,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:51:54,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:54,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:51:55,657 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2020-07-21 12:51:55,984 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2020-07-21 12:51:56,125 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 24 [2020-07-21 12:51:56,319 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 20 [2020-07-21 12:51:56,570 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 24 [2020-07-21 12:51:57,464 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 43 [2020-07-21 12:51:58,129 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-07-21 12:51:58,259 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 24 [2020-07-21 12:51:58,503 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-07-21 12:51:58,803 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 27 [2020-07-21 12:51:59,065 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 31 [2020-07-21 12:51:59,313 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 24 [2020-07-21 12:51:59,621 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2020-07-21 12:51:59,769 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-07-21 12:51:59,879 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 22 [2020-07-21 12:52:00,044 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2020-07-21 12:52:00,330 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-07-21 12:52:01,167 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-07-21 12:52:01,583 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 22 [2020-07-21 12:52:01,849 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 20 [2020-07-21 12:52:02,007 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 24 [2020-07-21 12:52:02,054 INFO L268 CegarLoopResult]: For program point L195-2(lines 195 216) no Hoare annotation was computed. [2020-07-21 12:52:02,054 INFO L268 CegarLoopResult]: For program point L217(lines 194 218) no Hoare annotation was computed. [2020-07-21 12:52:02,054 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 170 225) no Hoare annotation was computed. [2020-07-21 12:52:02,054 INFO L268 CegarLoopResult]: For program point L201(lines 201 205) no Hoare annotation was computed. [2020-07-21 12:52:02,054 INFO L268 CegarLoopResult]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2020-07-21 12:52:02,054 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 170 225) no Hoare annotation was computed. [2020-07-21 12:52:02,054 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-21 12:52:02,055 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 170 225) no Hoare annotation was computed. [2020-07-21 12:52:02,055 INFO L268 CegarLoopResult]: For program point L258-1(lines 258 262) no Hoare annotation was computed. [2020-07-21 12:52:02,055 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-07-21 12:52:02,055 INFO L268 CegarLoopResult]: For program point L252-2(lines 252 277) no Hoare annotation was computed. [2020-07-21 12:52:02,055 INFO L268 CegarLoopResult]: For program point L278(lines 251 279) no Hoare annotation was computed. [2020-07-21 12:52:02,055 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 226 285) no Hoare annotation was computed. [2020-07-21 12:52:02,055 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-07-21 12:52:02,056 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 226 285) no Hoare annotation was computed. [2020-07-21 12:52:02,056 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-07-21 12:52:02,056 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 226 285) no Hoare annotation was computed. [2020-07-21 12:52:02,056 INFO L268 CegarLoopResult]: For program point L258(lines 258 262) no Hoare annotation was computed. [2020-07-21 12:52:02,056 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 978 984) the Hoare annotation is: true [2020-07-21 12:52:02,057 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 978 984) no Hoare annotation was computed. [2020-07-21 12:52:02,057 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 985 993) no Hoare annotation was computed. [2020-07-21 12:52:02,057 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 985 993) the Hoare annotation is: true [2020-07-21 12:52:02,057 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 985 993) no Hoare annotation was computed. [2020-07-21 12:52:02,058 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 832 854) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-21 12:52:02,058 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 832 854) no Hoare annotation was computed. [2020-07-21 12:52:02,058 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 832 854) no Hoare annotation was computed. [2020-07-21 12:52:02,058 INFO L264 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-21 12:52:02,059 INFO L264 CegarLoopResult]: At program point L844-1(line 844) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-21 12:52:02,059 INFO L268 CegarLoopResult]: For program point L842(lines 842 849) no Hoare annotation was computed. [2020-07-21 12:52:02,059 INFO L268 CegarLoopResult]: For program point L842-1(lines 842 849) no Hoare annotation was computed. [2020-07-21 12:52:02,059 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-07-21 12:52:02,059 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-21 12:52:02,060 INFO L264 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-21 12:52:02,060 INFO L264 CegarLoopResult]: At program point L838-1(line 838) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-21 12:52:02,060 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-21 12:52:02,060 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-07-21 12:52:02,060 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 787 810) no Hoare annotation was computed. [2020-07-21 12:52:02,060 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-07-21 12:52:02,060 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-21 12:52:02,061 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-07-21 12:52:02,061 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 787 810) no Hoare annotation was computed. [2020-07-21 12:52:02,061 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-21 12:52:02,061 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 787 810) no Hoare annotation was computed. [2020-07-21 12:52:02,061 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-07-21 12:52:02,061 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-07-21 12:52:02,061 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-07-21 12:52:02,061 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-07-21 12:52:02,061 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-07-21 12:52:02,061 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-21 12:52:02,062 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-21 12:52:02,062 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-07-21 12:52:02,062 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2020-07-21 12:52:02,062 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2020-07-21 12:52:02,062 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2020-07-21 12:52:02,062 INFO L271 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: true [2020-07-21 12:52:02,062 INFO L268 CegarLoopResult]: For program point L706-2(lines 706 710) no Hoare annotation was computed. [2020-07-21 12:52:02,062 INFO L268 CegarLoopResult]: For program point L704-1(line 704) no Hoare annotation was computed. [2020-07-21 12:52:02,062 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 697 715) the Hoare annotation is: true [2020-07-21 12:52:02,062 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 697 715) no Hoare annotation was computed. [2020-07-21 12:52:02,063 INFO L268 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2020-07-21 12:52:02,063 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 697 715) no Hoare annotation was computed. [2020-07-21 12:52:02,063 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-07-21 12:52:02,063 INFO L268 CegarLoopResult]: For program point L672-1(line 672) no Hoare annotation was computed. [2020-07-21 12:52:02,063 INFO L268 CegarLoopResult]: For program point L661(lines 661 669) no Hoare annotation was computed. [2020-07-21 12:52:02,063 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2020-07-21 12:52:02,063 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 642 677) no Hoare annotation was computed. [2020-07-21 12:52:02,063 INFO L268 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-07-21 12:52:02,063 INFO L268 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-07-21 12:52:02,064 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2020-07-21 12:52:02,064 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2020-07-21 12:52:02,064 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 971 977) no Hoare annotation was computed. [2020-07-21 12:52:02,064 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 971 977) the Hoare annotation is: true [2020-07-21 12:52:02,064 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 124 169) no Hoare annotation was computed. [2020-07-21 12:52:02,064 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 124 169) no Hoare annotation was computed. [2020-07-21 12:52:02,064 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 124 169) no Hoare annotation was computed. [2020-07-21 12:52:02,064 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 437 482) no Hoare annotation was computed. [2020-07-21 12:52:02,064 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 437 482) no Hoare annotation was computed. [2020-07-21 12:52:02,064 INFO L268 CegarLoopResult]: For program point L457(lines 457 464) no Hoare annotation was computed. [2020-07-21 12:52:02,065 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 437 482) no Hoare annotation was computed. [2020-07-21 12:52:02,065 INFO L268 CegarLoopResult]: For program point L451(lines 451 471) no Hoare annotation was computed. [2020-07-21 12:52:02,065 INFO L268 CegarLoopResult]: For program point L451-1(lines 451 471) no Hoare annotation was computed. [2020-07-21 12:52:02,065 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 818 828) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-21 12:52:02,065 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 818 828) no Hoare annotation was computed. [2020-07-21 12:52:02,065 INFO L264 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-21 12:52:02,065 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 818 828) no Hoare annotation was computed. [2020-07-21 12:52:02,065 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2020-07-21 12:52:02,066 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2020-07-21 12:52:02,066 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2020-07-21 12:52:02,066 INFO L271 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: true [2020-07-21 12:52:02,066 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-07-21 12:52:02,066 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 12:52:02,066 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2020-07-21 12:52:02,066 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2020-07-21 12:52:02,066 INFO L268 CegarLoopResult]: For program point L940(lines 940 946) no Hoare annotation was computed. [2020-07-21 12:52:02,066 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 936 949) no Hoare annotation was computed. [2020-07-21 12:52:02,067 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 936 949) the Hoare annotation is: true [2020-07-21 12:52:02,067 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 936 949) no Hoare annotation was computed. [2020-07-21 12:52:02,067 INFO L264 CegarLoopResult]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse1 .cse4) (or .cse5 .cse1 .cse2))) [2020-07-21 12:52:02,067 INFO L268 CegarLoopResult]: For program point L600-1(lines 581 605) no Hoare annotation was computed. [2020-07-21 12:52:02,067 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 581 605) no Hoare annotation was computed. [2020-07-21 12:52:02,067 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 581 605) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not .cse0)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse7) (or .cse5 .cse1 .cse6 .cse4 .cse7)))) [2020-07-21 12:52:02,067 INFO L264 CegarLoopResult]: At program point L595(line 595) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 (not .cse0) .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse1 .cse4))) [2020-07-21 12:52:02,068 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not .cse4)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse3 .cse6) (or .cse4 .cse1 .cse2 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse5))))) [2020-07-21 12:52:02,068 INFO L268 CegarLoopResult]: For program point L589(lines 589 597) no Hoare annotation was computed. [2020-07-21 12:52:02,068 INFO L264 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not .cse4)) (.cse6 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or .cse4 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse3 .cse6)))) [2020-07-21 12:52:02,068 INFO L268 CegarLoopResult]: For program point L587-1(line 587) no Hoare annotation was computed. [2020-07-21 12:52:02,068 INFO L268 CegarLoopResult]: For program point L585(lines 585 602) no Hoare annotation was computed. [2020-07-21 12:52:02,068 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 521 527) no Hoare annotation was computed. [2020-07-21 12:52:02,068 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 521 527) the Hoare annotation is: true [2020-07-21 12:52:02,069 INFO L264 CegarLoopResult]: At program point L99-2(lines 93 104) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse1 .cse2) (and .cse4 .cse0 .cse2))) [2020-07-21 12:52:02,069 INFO L268 CegarLoopResult]: For program point L64(lines 63 108) no Hoare annotation was computed. [2020-07-21 12:52:02,069 INFO L264 CegarLoopResult]: At program point testENTRY(lines 53 116) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-21 12:52:02,069 INFO L268 CegarLoopResult]: For program point L93(lines 93 104) no Hoare annotation was computed. [2020-07-21 12:52:02,069 INFO L268 CegarLoopResult]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2020-07-21 12:52:02,069 INFO L264 CegarLoopResult]: At program point L85(line 85) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 (not .cse1) .cse2) (and (= 0 ~methaneLevelCritical~0) .cse3 .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse1 .cse2))) [2020-07-21 12:52:02,070 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 12:52:02,070 INFO L268 CegarLoopResult]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2020-07-21 12:52:02,070 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 (not .cse1) .cse2) (and (= 0 ~methaneLevelCritical~0) .cse3 .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse1 .cse2))) [2020-07-21 12:52:02,070 INFO L264 CegarLoopResult]: At program point L106(lines 63 108) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 (not .cse1) .cse2) (and (= 0 ~methaneLevelCritical~0) .cse3 .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse1 .cse2))) [2020-07-21 12:52:02,070 INFO L268 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2020-07-21 12:52:02,071 INFO L268 CegarLoopResult]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2020-07-21 12:52:02,071 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-07-21 12:52:02,071 INFO L264 CegarLoopResult]: At program point L109(lines 62 110) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2020-07-21 12:52:02,071 INFO L268 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2020-07-21 12:52:02,071 INFO L268 CegarLoopResult]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2020-07-21 12:52:02,071 INFO L268 CegarLoopResult]: For program point L411(lines 411 418) no Hoare annotation was computed. [2020-07-21 12:52:02,071 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 391 436) no Hoare annotation was computed. [2020-07-21 12:52:02,072 INFO L268 CegarLoopResult]: For program point L405(lines 405 425) no Hoare annotation was computed. [2020-07-21 12:52:02,072 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 391 436) no Hoare annotation was computed. [2020-07-21 12:52:02,072 INFO L268 CegarLoopResult]: For program point L405-1(lines 405 425) no Hoare annotation was computed. [2020-07-21 12:52:02,072 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 391 436) no Hoare annotation was computed. [2020-07-21 12:52:02,072 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 950 958) no Hoare annotation was computed. [2020-07-21 12:52:02,072 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 950 958) the Hoare annotation is: true [2020-07-21 12:52:02,072 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 950 958) no Hoare annotation was computed. [2020-07-21 12:52:02,073 INFO L264 CegarLoopResult]: At program point L736(line 736) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 12:52:02,073 INFO L268 CegarLoopResult]: For program point L736-1(line 736) no Hoare annotation was computed. [2020-07-21 12:52:02,073 INFO L268 CegarLoopResult]: For program point L734(lines 734 751) no Hoare annotation was computed. [2020-07-21 12:52:02,073 INFO L268 CegarLoopResult]: For program point L734-1(lines 726 754) no Hoare annotation was computed. [2020-07-21 12:52:02,073 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~methaneLevelCritical~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 12:52:02,073 INFO L268 CegarLoopResult]: For program point L732-1(line 732) no Hoare annotation was computed. [2020-07-21 12:52:02,073 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 726 754) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~methaneLevelCritical~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 12:52:02,074 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 12:52:02,074 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 726 754) no Hoare annotation was computed. [2020-07-21 12:52:02,074 INFO L268 CegarLoopResult]: For program point L739(lines 739 745) no Hoare annotation was computed. [2020-07-21 12:52:02,074 INFO L268 CegarLoopResult]: For program point L738(lines 738 748) no Hoare annotation was computed. [2020-07-21 12:52:02,074 INFO L268 CegarLoopResult]: For program point L912(lines 912 920) no Hoare annotation was computed. [2020-07-21 12:52:02,074 INFO L268 CegarLoopResult]: For program point L912-2(lines 912 920) no Hoare annotation was computed. [2020-07-21 12:52:02,074 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 904 926) no Hoare annotation was computed. [2020-07-21 12:52:02,075 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 904 926) no Hoare annotation was computed. [2020-07-21 12:52:02,075 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 904 926) no Hoare annotation was computed. [2020-07-21 12:52:02,075 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 718 725) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-21 12:52:02,075 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 718 725) no Hoare annotation was computed. [2020-07-21 12:52:02,075 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 718 725) no Hoare annotation was computed. [2020-07-21 12:52:02,075 INFO L268 CegarLoopResult]: For program point L353(line 353) no Hoare annotation was computed. [2020-07-21 12:52:02,076 INFO L268 CegarLoopResult]: For program point L353-1(line 353) no Hoare annotation was computed. [2020-07-21 12:52:02,076 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 288 390) no Hoare annotation was computed. [2020-07-21 12:52:02,076 INFO L268 CegarLoopResult]: For program point L312(lines 312 316) no Hoare annotation was computed. [2020-07-21 12:52:02,076 INFO L268 CegarLoopResult]: For program point L376(lines 376 387) no Hoare annotation was computed. [2020-07-21 12:52:02,076 INFO L268 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-07-21 12:52:02,076 INFO L268 CegarLoopResult]: For program point L337-2(lines 337 357) no Hoare annotation was computed. [2020-07-21 12:52:02,076 INFO L268 CegarLoopResult]: For program point L358(lines 336 359) no Hoare annotation was computed. [2020-07-21 12:52:02,077 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 288 390) no Hoare annotation was computed. [2020-07-21 12:52:02,077 INFO L268 CegarLoopResult]: For program point L317(lines 317 333) no Hoare annotation was computed. [2020-07-21 12:52:02,077 INFO L268 CegarLoopResult]: For program point L377(lines 377 384) no Hoare annotation was computed. [2020-07-21 12:52:02,077 INFO L268 CegarLoopResult]: For program point L338(lines 337 357) no Hoare annotation was computed. [2020-07-21 12:52:02,077 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 288 390) no Hoare annotation was computed. [2020-07-21 12:52:02,077 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-07-21 12:52:02,077 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-07-21 12:52:02,077 INFO L268 CegarLoopResult]: For program point L334(lines 334 375) no Hoare annotation was computed. [2020-07-21 12:52:02,078 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 961 970) no Hoare annotation was computed. [2020-07-21 12:52:02,078 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 961 970) no Hoare annotation was computed. [2020-07-21 12:52:02,078 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 961 970) no Hoare annotation was computed. [2020-07-21 12:52:02,078 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:52:02,078 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-21 12:52:02,078 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:52:02,078 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 606 613) no Hoare annotation was computed. [2020-07-21 12:52:02,078 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 606 613) no Hoare annotation was computed. [2020-07-21 12:52:02,079 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 606 613) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3 .cse4))) [2020-07-21 12:52:02,079 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2020-07-21 12:52:02,079 INFO L268 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-07-21 12:52:02,079 INFO L271 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: true [2020-07-21 12:52:02,079 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2020-07-21 12:52:02,079 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-07-21 12:52:02,080 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2020-07-21 12:52:02,080 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2020-07-21 12:52:02,080 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 927 935) no Hoare annotation was computed. [2020-07-21 12:52:02,080 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 927 935) no Hoare annotation was computed. [2020-07-21 12:52:02,080 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 927 935) no Hoare annotation was computed. [2020-07-21 12:52:02,080 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 883 894) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3) (or .cse4 .cse0 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))) (or .cse4 .cse0 .cse1 (not .cse2) .cse3))) [2020-07-21 12:52:02,080 INFO L268 CegarLoopResult]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2020-07-21 12:52:02,081 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 883 894) no Hoare annotation was computed. [2020-07-21 12:52:02,081 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:52:02,081 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:52:02,081 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:52:02,081 INFO L264 CegarLoopResult]: At program point L510(line 510) the Hoare annotation is: (let ((.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 1)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not .cse5)) (.cse4 (and .cse9 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse3 .cse7) (or .cse0 .cse8 (and .cse9 .cse10) .cse1) (or .cse5 .cse0 .cse10 .cse3) (or .cse6 .cse0 .cse1 .cse3 .cse7) (or .cse6 .cse0 .cse8 .cse1 .cse7) (or .cse5 .cse0 .cse8 .cse10 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse8 .cse1 .cse2 .cse4)))) [2020-07-21 12:52:02,082 INFO L264 CegarLoopResult]: At program point L508(lines 508 514) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse12 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= 0 ~pumpRunning~0))) (let ((.cse4 (and .cse12 .cse8)) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not .cse12)) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (not .cse0)) (.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse7) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse8) (or .cse1 .cse3 .cse9 .cse6 (and .cse10 .cse11)) (or .cse5 .cse1 .cse2 .cse3 .cse7) (or .cse0 .cse1 .cse2 .cse4 (not (<= 2 |old(~waterLevel~0)|))) (or .cse5 .cse1 .cse3 .cse9 .cse6 (and .cse8 .cse7)) (or .cse1 .cse2 (and (<= 2 ~waterLevel~0) .cse10 .cse11) .cse3 .cse9 (and .cse10 .cse8 .cse11))))) [2020-07-21 12:52:02,082 INFO L264 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse7 (not .cse0)) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and .cse8 .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse6 .cse7) (or .cse2 .cse5 .cse6 (and (= 0 ~methAndRunningLastTime~0) .cse8 .cse9)) (or .cse2 .cse6 .cse7 .cse3) (or .cse1 .cse2 .cse5 .cse6 .cse4) (or .cse0 .cse2 .cse5 (not (<= 2 |old(~waterLevel~0)|)) .cse10) (or .cse0 .cse2 .cse3 .cse10)))) [2020-07-21 12:52:02,082 INFO L268 CegarLoopResult]: For program point L501(lines 500 519) no Hoare annotation was computed. [2020-07-21 12:52:02,082 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 497 520) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and .cse9 .cse5))) (and (or .cse0 .cse1 (not .cse2) .cse3 (and .cse4 (= 0 ~pumpRunning~0) .cse5)) (or .cse2 .cse6 .cse0 .cse3 .cse7) (or .cse0 .cse8 .cse1 (and .cse4 .cse9 .cse5)) (or .cse6 .cse0 .cse1 .cse3 .cse7) (or .cse6 .cse0 .cse8 .cse1 .cse7) (or .cse2 .cse0 .cse8 (not (<= 2 |old(~waterLevel~0)|)) .cse10) (or .cse2 .cse0 .cse3 .cse10)))) [2020-07-21 12:52:02,083 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 497 520) no Hoare annotation was computed. [2020-07-21 12:52:02,083 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 497 520) no Hoare annotation was computed. [2020-07-21 12:52:02,083 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-07-21 12:52:02,083 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2020-07-21 12:52:02,083 INFO L271 CegarLoopResult]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2020-07-21 12:52:02,083 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 757 786) the Hoare annotation is: true [2020-07-21 12:52:02,083 INFO L271 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: true [2020-07-21 12:52:02,083 INFO L268 CegarLoopResult]: For program point L763-1(line 763) no Hoare annotation was computed. [2020-07-21 12:52:02,084 INFO L271 CegarLoopResult]: At program point L782(lines 757 786) the Hoare annotation is: true [2020-07-21 12:52:02,084 INFO L268 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-07-21 12:52:02,084 INFO L268 CegarLoopResult]: For program point L771(lines 771 775) no Hoare annotation was computed. [2020-07-21 12:52:02,084 INFO L271 CegarLoopResult]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2020-07-21 12:52:02,084 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 895 903) the Hoare annotation is: true [2020-07-21 12:52:02,084 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 895 903) no Hoare annotation was computed. [2020-07-21 12:52:02,084 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 895 903) no Hoare annotation was computed. [2020-07-21 12:52:02,085 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 859 870) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3) (or .cse5 (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse4 (and .cse6 .cse3) .cse2) (or .cse5 .cse0 .cse1 .cse2 .cse6))) [2020-07-21 12:52:02,085 INFO L268 CegarLoopResult]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2020-07-21 12:52:02,085 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 859 870) no Hoare annotation was computed. [2020-07-21 12:52:02,085 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 811 817) no Hoare annotation was computed. [2020-07-21 12:52:02,085 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 811 817) the Hoare annotation is: true [2020-07-21 12:52:02,085 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:52:02,086 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 12:52:02,086 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:52:02,086 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:52:02,086 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 529 553) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not .cse0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse5) (or .cse3 .cse1 .cse4 .cse2 .cse5)))) [2020-07-21 12:52:02,086 INFO L264 CegarLoopResult]: At program point L543(line 543) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse8 (= 0 ~pumpRunning~0)) (.cse9 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4))) (let ((.cse3 (and .cse4 .cse8 .cse9)) (.cse6 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (and .cse8 .cse9 .cse7)) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not .cse4)) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse5 (not .cse6) .cse3) (or .cse6 .cse1 .cse2) (or .cse0 .cse1 .cse5 .cse2 (not .cse7))))) [2020-07-21 12:52:02,086 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 529 553) no Hoare annotation was computed. [2020-07-21 12:52:02,087 INFO L264 CegarLoopResult]: At program point L539(line 539) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not .cse6)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (and (<= 2 ~waterLevel~0) .cse4) .cse5) (or .cse6 .cse1 .cse5)))) [2020-07-21 12:52:02,087 INFO L268 CegarLoopResult]: For program point L537(lines 537 545) no Hoare annotation was computed. [2020-07-21 12:52:02,087 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse2 .cse1 .cse4))) [2020-07-21 12:52:02,087 INFO L268 CegarLoopResult]: For program point L535-1(line 535) no Hoare annotation was computed. [2020-07-21 12:52:02,087 INFO L268 CegarLoopResult]: For program point L533(lines 533 550) no Hoare annotation was computed. [2020-07-21 12:52:02,087 INFO L264 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not .cse3)) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse3 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) (or .cse0 .cse1 .cse2 .cse4)))) [2020-07-21 12:52:02,110 INFO L268 CegarLoopResult]: For program point L548-1(lines 529 553) no Hoare annotation was computed. [2020-07-21 12:52:02,110 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 871 882) no Hoare annotation was computed. [2020-07-21 12:52:02,110 INFO L268 CegarLoopResult]: For program point L875-1(lines 871 882) no Hoare annotation was computed. [2020-07-21 12:52:02,110 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 871 882) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0))) (let ((.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (not .cse2))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3) (or .cse4 .cse0 .cse5 .cse3) (or .cse6 .cse4 .cse0 .cse5 .cse7) (or .cse4 .cse0 .cse1 .cse8 .cse3) (or .cse6 .cse4 .cse0 .cse1 .cse7 .cse8)))) [2020-07-21 12:52:02,110 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-21 12:52:02,110 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-21 12:52:02,110 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-21 12:52:02,111 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-21 12:52:02,111 INFO L264 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse2 .cse1 .cse4))) [2020-07-21 12:52:02,111 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 555 579) no Hoare annotation was computed. [2020-07-21 12:52:02,111 INFO L268 CegarLoopResult]: For program point L574-1(lines 555 579) no Hoare annotation was computed. [2020-07-21 12:52:02,111 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 555 579) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not .cse0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse5) (or .cse3 .cse1 .cse4 .cse2 .cse5)))) [2020-07-21 12:52:02,111 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not .cse3)) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse3 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) (or .cse0 .cse1 .cse2 .cse4)))) [2020-07-21 12:52:02,111 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not .cse3)) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse3 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) (or .cse0 .cse1 .cse2 .cse4)))) [2020-07-21 12:52:02,111 INFO L268 CegarLoopResult]: For program point L563(lines 563 571) no Hoare annotation was computed. [2020-07-21 12:52:02,112 INFO L264 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not .cse3)) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse3 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) (or .cse0 .cse1 .cse2 .cse4)))) [2020-07-21 12:52:02,112 INFO L268 CegarLoopResult]: For program point L561-1(line 561) no Hoare annotation was computed. [2020-07-21 12:52:02,112 INFO L268 CegarLoopResult]: For program point L559(lines 559 576) no Hoare annotation was computed. [2020-07-21 12:52:02,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:52:02 BoogieIcfgContainer [2020-07-21 12:52:02,133 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:52:02,135 INFO L168 Benchmark]: Toolchain (without parser) took 20044.41 ms. Allocated memory was 143.7 MB in the beginning and 490.2 MB in the end (delta: 346.6 MB). Free memory was 100.5 MB in the beginning and 448.6 MB in the end (delta: -348.2 MB). Peak memory consumption was 365.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:02,136 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:52:02,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.77 ms. Allocated memory was 143.7 MB in the beginning and 199.2 MB in the end (delta: 55.6 MB). Free memory was 100.0 MB in the beginning and 165.6 MB in the end (delta: -65.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:02,137 INFO L168 Benchmark]: Boogie Preprocessor took 122.61 ms. Allocated memory is still 199.2 MB. Free memory was 165.6 MB in the beginning and 160.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:02,138 INFO L168 Benchmark]: RCFGBuilder took 1200.39 ms. Allocated memory was 199.2 MB in the beginning and 230.2 MB in the end (delta: 30.9 MB). Free memory was 160.7 MB in the beginning and 187.8 MB in the end (delta: -27.1 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:02,139 INFO L168 Benchmark]: TraceAbstraction took 18076.35 ms. Allocated memory was 230.2 MB in the beginning and 490.2 MB in the end (delta: 260.0 MB). Free memory was 186.4 MB in the beginning and 448.6 MB in the end (delta: -262.3 MB). Peak memory consumption was 365.1 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:02,142 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 636.77 ms. Allocated memory was 143.7 MB in the beginning and 199.2 MB in the end (delta: 55.6 MB). Free memory was 100.0 MB in the beginning and 165.6 MB in the end (delta: -65.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.61 ms. Allocated memory is still 199.2 MB. Free memory was 165.6 MB in the beginning and 160.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1200.39 ms. Allocated memory was 199.2 MB in the beginning and 230.2 MB in the end (delta: 30.9 MB). Free memory was 160.7 MB in the beginning and 187.8 MB in the end (delta: -27.1 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18076.35 ms. Allocated memory was 230.2 MB in the beginning and 490.2 MB in the end (delta: 260.0 MB). Free memory was 186.4 MB in the beginning and 448.6 MB in the end (delta: -262.3 MB). Peak memory consumption was 365.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || !(1 <= systemActive)) || (((2 <= waterLevel && 1 <= methaneLevelCritical) && !(0 == pumpRunning)) && splverifierCounter <= 0)) || ((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 250 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.1s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2270 SDtfs, 955 SDslu, 3481 SDs, 0 SdLazy, 1251 SolverSat, 240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1146 GetRequests, 1105 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1292occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 309 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2252 PreInvPairs, 2357 NumberOfFragments, 2659 HoareAnnotationTreeSize, 2252 FomulaSimplifications, 4752 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 67 FomulaSimplificationsInter, 13856 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1149 NumberOfCodeBlocks, 1149 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1137 ConstructedInterpolants, 0 QuantifiedInterpolants, 232184 SizeOfPredicates, 25 NumberOfNonLiveVariables, 9236 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 90/90 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...